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package org.apache.juneau.http;

import java.net.*;

import org.apache.juneau.internal.*;

/**
 * Category of headers that consist of a single URL value.
 * 
 * <p>
 * <h5 class='figure'>Example</h5>
 * <p class='bcode'>
 * 	Location: http://www.w3.org/pub/WWW/People.html
 * </p>
 * 
 * <h5 class='section'>See Also:</h5>
 * <ul class='doctree'>
 * 	<li class='extlink'><a class='doclink' href='https://www.w3.org/Protocols/rfc2616/rfc2616.html'>Hypertext Transfer Protocol -- HTTP/1.1</a>
 * </ul>
 */
public class HeaderUri{

	final String value;

	/**
	 * Constructor.
	 * 
	 * @param value The raw header value.
	 */
	protected HeaderUri(String value) {
		this.value = StringUtils.trim(value);
	}

	/**
	 * Returns this header as a {@link URI}.
	 * 
	 * @return This header as a {@link URI}.
	 */
	public URI asURI() {
		return URI.create(toString());
	}

	/**
	 * Returns this header as a simple string value.
	 * 
	 * <p>
	 * Functionally equivalent to calling {@link #toString()}.
	 * 
	 * @return This header as a simple string.
	 */
	public String asString() {
		return value;
	}

	@Override /* Object */
	public String toString() {
		return value == null ? "" : value;
	}
}
